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Preparation of iron oxide thin film by metal organic deposition from Fe(III)-acetylacetonate: a study of photocatalytic properties

DSpace at IIT Bombay

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Title Preparation of iron oxide thin film by metal organic deposition from Fe(III)-acetylacetonate: a study of photocatalytic properties
 
Creator PAL, B
SHARON, M
 
Subject passive films
alpha-fe2o3 electrodes
magnetic-properties
colloidal fe2o3
water
photodegradation
hydrogen
oxygen
light
deposition process
iron oxide
catalysis
phase transitions
 
Description Iron oxide thin films have been deposited over fused quartz substrate by simple metal organic deposition from Fe-(III) acetylacetonate as the organic precursor. The decomposition of Fe-acetylacetonate is characterised by its distinct transition temperatures and thermogravimetric loss rates, which have been measured by thermal gravimetric analysis. As-deposited films were sintered in the temperature range 365-800 degreesC and the structural changes of the iron oxide thin films as they transform into different crystalline phases have been studied by X-ray diffraction, Fourier transform infrared spectroscopy, ultraviolet-visible absorption spectroscopy and scanning electron microscopy techniques. Mainly amorphous gamma -Fe2O3, is formed at an annealing temperature of approximately 365-400 degreesC which transforms to alpha -Fe2O3 phase with a further increase (600-800 degreesC) in sintering temperature. The film sintered at 800 degreesC consists of mainly crystalline alpha -Fe2O3 phase, which shows photocatalytic degradation of an oxygenated aqueous solution of phenol upon visible light illumination. (C) 2000 .
 
Publisher ELSEVIER SCIENCE SA
 
Date 2011-07-28T17:21:20Z
2011-12-26T12:47:16Z
2011-12-27T05:43:59Z
2011-07-28T17:21:20Z
2011-12-26T12:47:16Z
2011-12-27T05:43:59Z
2000
 
Type Article
 
Identifier THIN SOLID FILMS, 379(1-2), 83-88
0040-6090
http://dx.doi.org/10.1016/S0040-6090(00)01547-9
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7457
http://hdl.handle.net/10054/7457
 
Language en